First answer is correct. Eutrophication can have serious effects, like algal blooms that block light from getting into the water and harm the plants and animals that need it. If there's enough overgrowth of algae, it can prevent oxygen from getting into the water, making it hypoxic and creating a dead zone where no organisms can survive.
Answer:
The correct option is D) The birds have different mating seasons.
Explanation:
Organisms belonging to the same species will have the ability to reproduce and produce fertile offsprings. As the birds have different mating seasons, this means that the birds are not able to mate and reproduce at the same time. Thus phenomenon supports the second student's argument.
Spindle fibers are formed from microtubules with many accessory proteins which help guide the process of genetic division. Each spindle fiber forms during cellular division near the poles of the dividing cell. As they extend across the cell, they search for the centromere of each chromosome
Answer:
I think its B.
Explanation:
because the bone marrow is were the blood cell form and it serves as the site of the formation
Answer:
An enzyme-substrate complex is a temporary molecule formed when an enzyme comes into perfect contact with its substrate.
Explanation: